渝万高铁巴山村隧道顺利贯通

Core Viewpoint - The successful completion of the Ba Mountain Village Tunnel, a critical project of the Chongqing-Wanzhou High-Speed Railway, marks a significant milestone in enhancing transportation infrastructure in the region [1][3]. Group 1: Project Details - The Ba Mountain Village Tunnel is located in Zhong County, Chongqing, with a total length of 7,306 meters, designed as a single-tube double-track tunnel [3]. - The tunnel faces complex geological conditions, including high gas levels, weak surrounding rock, and karst formations, which pose significant construction challenges [3]. - The project team implemented a synchronized construction approach across four work areas to address the tunnel's geological complexities and risks [3]. Group 2: Safety Measures - An automated gas monitoring and alarm system was installed to continuously monitor harmful gas concentrations, wind speed, and temperature, ensuring early detection and response to risks [3]. - The team strictly adhered to a proactive geological forecasting system to accurately assess geological conditions ahead of the excavation [3]. Group 3: Economic and Strategic Importance - Upon completion, the Chongqing-Wanzhou High-Speed Railway will significantly reduce travel time between the northeastern Sichuan Three Gorges urban cluster and central Chongqing, greatly facilitating travel for local residents [5]. - The railway is a vital part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, contributing to the development of the Chengdu-Chongqing economic circle and the Belt and Road Initiative [5].